I am running the Linux kernel 2.6.28.7 on my PPC8347 BRD.I have to write the driver of SDHCI driver(using R5C807 RICOH). But I could not find it.Then I found the good sample of this.I tried to the patch to kernel 2.6.28.7,but I did not succeed.Please tell me how to get the kernei for this patch.